Andreescu won in two straight sets (6-4, 6-4) in a match that swung back and forth with several serve breaks.
The Canadian climbed from 27th to 15th place in the world rankings after winning the Rogers Cup at home about two weeks ago. Now she is the highest ranked player in her fourth of the draw since Simona Halep and Petra Kvitova were eliminated. In other words, the road to the semi-finals looks open to Andreescu.
In the next round, American qualifier Taylor Townsend awaits, which in turn defeated Romania's Sorana Cirstea in two straight sets (7-5, 6-2).